Ink feed control means for printing presses



Sept. l2,` 1933.

C. L. ERICKSON ET AL INK FEED CONTROL MEANS FOR PRINTING PRESSES Filed Feb. 5, 1931 2 Sheets-Sheet 1 L WALT 'INVENTORS CARL L. ERICKSON R O. MORR\5ON W am ATTQRNEYS Sept# 12,; 1933- n l c. l. ERICKSON ET AL l 1,926,145

INK FEED CONTROL MEANS FOR PRINTING PRESSES Filed Feb. 5. 1931 2 Sheets-Sheet 2 INVENTQRS CARL. L. ERICKSON VQLTER O. MORR \SON I ma. l ATTORNEYS t invention l relates; Vtoiftlrie" Iiiik eed vcontrol of prndtingl presses of the typejwherein; during@l `printingoperations, a type bed carrying theftype forms is reciprocated beneath animpressionfcylinder; the cylinder, beingldepressed for a print- 1 jing impression upon"movementfor` theftype bed f in one 'direction-and' elevatedifavvay roingthebed! upon movement'of the latter in arevlerse'dree f tion. Slichpresses have-lai series of nking-` rolls y for conveying ink from a fountain and applyingv it properly distributed to this iormsQuponthe type'bed as the bedis; reciprocated frherefis frecpiocated@ Y,

Important objects of the invention lare to`pro` Videjmproved control means to l automati'eallv ,v

tripthe inkfeeding means er cutit' cuiteoijener-. 4

also Ae. tripping means' Whichis operable topre- Vent up and down movementpfthelin'pression;V cylinder duringinonlprintin'g'- operation)orc the A 'press end cause the cylinder. to be held, elevated ation when thfe imprcessoiri v cylinder is-tripped or' held elevated and thereby prevent an objection-i able accumulation of' ink `-iipen the. Ytype fforms dilrirlgY l`nenqprintng. `operation'- ofthe. press; to

plovidesuch an inl; feed 'controljmeans' designed; i

to" beidily applied; tq a standard formf'oi printing pressirtoprovide such agcontrol means in' theorm oran extremely simple and nexpen sive device; andto provide such aidi'eyce designedv f for. installationupon a standardflformofpress without Vistructnral Changes in the pressand de-` j signed for" satisfactory 'cooperationvjwith the n Y y l n j fnl-For' the verticalv reciprocaton of the imprese "90 standard partsoithepress;

' printinggpress partlyfbrokengayvay; eqnippedwith nism'of the printingpre f Fgf 2, a yside view iof 'the feecL vice detached from the pressi Qur improveddevice for tripping-'th lirikdte-ed.;

n Fig. s, an edgeiviewpf Vthe deyfcei Fig. 5,a side-view' partlyAin-section'shoving offtheinkifeeding meansofthe press; Y

Figr 6,' agside View, vnpona larger Ascale- Eig@ 5, "showing'thre operation thejcam of the' devicetomarme feeding 'sper'atifmV gf mig-feed Inain frame lsupporting a rotatableffiinpr'essio cylinder. `2, ,and a type lbed 3JIrioninteri;ite"y recip a reverse direetion the cylinder iselevatedlavvav: -v

' tated lstepltrystepipirIneansto :be des' :ribeciLbiere-1V '1 y finafter, Betweenftherollbandgthefimpressiom cylinderlis'mounted a; group of yink-distributi'ng "0 f' iother rolls 'rolf4 the? group. are vibrator rolls .vvhiel'iv I vare`reciprcated endvvse. VA@Between the group-of,v i

torlrollp supported by rocker-arms, f8 to swing Lvback and vforth between the Vfountain roll and one 'A Vof!thef cl is't`r iizmting 41 Aolls1 to .conveyink `to the- 1. i

side view' ef' mounted'iplbearings in whicn areveficauy sus,A

-able ,in lfixediframes 11r at; opposite sides ofthe conipressiongispring- 13 interpo'sedbetween` acti i e VVstraglfitened. jShaftiMfhas'a-pairof crankarmsV Fig.7, a view similar to Figf slie'wing zthe ,canf'1 positioned to preventengageme Bower forroclcin shfaftii istransn'iittedfrorn the drawings fin. order .tesiniplify Y the' showing; i`

Hponmevement of the type bed in"elledirectionmA 1 the impressionfcylinderg bearingthe Vp'aperisj clefv pressed toward thetype 'forr'nsier-laprintingvV pression, and V.nnen movement ,of "the 'typebed 1n from the-,type f orlns. N ear oneendof` theffrarrnek isa trough-like,inkjonntain;4 enefsidegofvvhieh Y is. formed byafountainroll 5. The latter-isrorolls 6. thelorverrnosftonels QfwhichiareiinpoS tion to rollupon ythe type formsgcertain-of the distributing'rplls and tl'iefeuntain-rollsj is a `ducp-` g latter. 1. Y.

vSienfcylinder" 2 theshaft of'` the feylidfer iis, f

'pressi Ayeke-like framelf surrounds eachloeafgi-su t in'gfanduis mountedto shift kveri', ieally with Y A- 95 iixedframe lian he bearingtherein.tendsto elevate thebearingeandrtlie s'hiftable,franiegandI f `lift the impressien cylinder awayfromv elite-foy@y 1 forms-v f Fer depressing! thefirnpression cylinder 10,0

adaptea-rte-depress the eminem@ frame; WheAr'riOA lexdfte mand operatively.conneeteqftorthey" joints f :the toggles by liberating linksi or rods i 1'7..f

vThe latter meshes with Ya gear24 xed to a shaft 25, and gear 24 meshes `with a gear 26 fixed to a shaft` 27,' A cani` disk 28 is xed Ytoymain'crankv shaft Z'Zandhasl' the impression .cam groove 29 in one face. .A pivoted'rock arm 30 hasV a roller -means not shown.v

3l at one end engaging in-said cam groove, and

[a link or rod 32 operatively'connects an interrne-A 1f diate point ofthe rock armr with ac rankarrn 33 iixed to'rock shaftv 14 and extending in'an opposite direction from the crank arms 16 Yupon the'.

low` partY of the cam groove the crankl arms 16 are positioned to break the'togglesrand the springs '13 are freeto elevate the impression cylinder. V When the roller 3.1"is in ahigh point :of the cam groove theshaft 14is rookedand the'crank arms `16`are swung Ato straighten thef'toggles. 4This* causes theishiftable fram`es`12 to pull the bearings 10 andthe impression cylinder. downward against the` resistance ofv theisprin'gs 13Y for. a

i. printing'jimpression. The reciprocationof, the .n typebed'isvjproperly coordinatedjwith the raising andjlowering of theimpression cylinderby` YThere 'pisr 4also a tripping mechanism for diskablingk the operativeconnectidn between the 'rod'A .1.32 and 'the'rankiarm133- This Operativeconnec:

,-arol'lercarrie'd by a b ell crank 37.. 'Below'said U35 Whichvisoperatively connected to the vbell crank depressed thelbell crankwill be rocked to lelevate tion comprises fa downwardly opening hook upon` the rod 3,4,.and'a p in 35 upon. thecrankarmen-l gaged by the hook. i* Thelatter hasastraight tail portion V36 whoseunder ,side is. engageable by bell crank, near the licor, isA adepressible pedal:y

by? av link or rod 39. '1v Thereby r when the pedalY is the` roller'nandshift the honkr134` free of .the pin 35, VAllatch device '40 lreleasablyA holds thev pedal depressed.Y f vThe rockA lshaft l'then `re'ernains idle;

the jtoggles lfremain broken and. the impression cylinderf-gisheld elevated bythe'springs- 13.' -A

p y spring i1/tends to elevate the pedal and rock the fountain rll 5ft`here is a'ratchetrwheel42'iixed to v they shaft 43 of vthe roll. l Pivoted'f'ipon said shaft Voutwardpi"the-:ratchet wheel is a bell "crank 44 `to one arm of vwhich.i's'r'iivoted'aeed p dMIlv 45 forv `engaging theratchetwheel. Sai'dfbeli V; crank '.is` rocked by a mechanism including a rne'sliing'y Withbev'el Agear 5,48 fixed 'tol the power .link`153 operatively conlBCtsrankar'm 52 .with

Y tivee'ennecnon witn shaft 4e. The arms-'s sup-- supported by bearings Vin the# rss 'framie.' and The".latter is'operatively oonnectedrby a link or fixed to shaftVV 4,6. rIjn'e`rea:5y, rotation'of. shaft 46V L causes theductor-j.rollto loe-"shifted,and also.

f through .the 'connectionpreviously; described,

K redes with-21' crankiarm'sv'whieh islnxed to short shaft-58 adjacent the shaft '5l and' support 1 A crank arm 5.9is'iixed tomtheinner Vend ofV shaft Y edby fafbearinginthe -side* ofthepress frame.

58 and liasa roller int/engagement .rwithalam/eg causes operation of thev feed pawl. The shaft'.

- extendsbeyondthe cam 49Aand has a driving connection, indicated at-Q61, with a vertical shaft 62 which operates the paper feed mechanism of the press. The cams'49 and 60 upon the shaft veiectfthe shifting of they ink feedy pawl andthe ductorroll in one-direction and Atwo springs 63 and,r 64 eiect the 'shifting vof said parts in the opposite Vdirection.-` Spring63 is'connected .to``

crankrarm 52 and spring 64 is connectedto crank .-larrn''l.y Both springs extend upward and are anchored toy part oi the improved automatic ink after;

:Our improved rink-feed control means is anA extremely simple device comprising a lever 65; a pivot stud 66 for.l the lever, a link 67 operatively;

connected to' onefend of the lever, and a cam 68 operativelyfconnec'ted to. the opposite end of the lever. portion with a reduced'- threaded shank 69 at one end for screwingfinto the inkfountan frarne and 'a longer reduced, threaded shank 70 at its` 'Ihef'pivotl stud has an enlarged mediall feed control means,V aswill be described hereinopopsite end. 'At the root of shank '70 isja :slight--l l1y enlarged journal portion '771I affordinga pivot or fulcrnniA for lever 65. At an intermediate. 4

peint, nearer one end, the lever' has anapertnre to receivel the'journall, anda'nut' 72 isscrewed f `upontheshank 70 to hold thelever place. The

longyfarmof the lever-.hasran elongated`slot73l at its outer endand'the short. armof the lever has'a slot 74 at its outer end.V .Aheadedf screw operatively. connects oney end'ofvlink 67 to ,the` lever. Said screw Vhas'a shouldered journal por-j' tion engaged .in the lever.' slot .'74 i and is screwed. .into the'link, At its opposite end'jtlie link'has an elongated s1o`t'76. TheY cam 68 is of4 segmentafl or sectorfforrnand has a pivotaperture 77fsubstantiallyat fitsc'entenw At one sideof'said `aper.

ture' a .rivet 'foperatively comiects;` the ileverto e no the carinU Said rivet has afshouldered journal portionfengaged inthelever slot 73. VAtftlie yrop# posite Vs ideof its pivot aperturethecam is formed: at itszedgeflwith afhighli'arcuateportion 79confj centric with the pivotaperturefand of material length. A7 'slopingedgq portion. 8b of theV can! merges lsaid high portionwith vav low edge porf he .latter is ValsoUarcuater-and "concen-v I crank handle 82 removably mountedupon the'.

shank :43 ofthe`.lfountain roll, outward of'bell crank 44,k and free ,for rotation and'lirnited axial shifting'upon the; shaftf `At itsjinner sidesaid crank has" a `recess. engageable .with Aajtooth* upon crank andthe rbell crank- "By shifting 4fthe' crank' inwardto engage saidtooth "the .fountainV roll may be manually rotated, f Such a'pr'essis ordi-l narilyprovidedwith' a threaded stud-not' shown,-

ductor roll `1"esp\ ective1y. Said stud is replaced by the stud 66.1of` our ink feed control device.

i, :Fer the installation @four automatic ink feed control device'the fountain roll operating handle 82, thecollar.Y SB'andthe bell crankv 44 are re- 1315v Vwhichseri/esas `a j'ointgianchorageorsprings 63 V'and 64 .which helprtopoperateth'e feed roll and moved from the fountain roll shaft; the'cafm' 68 ismounteduponlthewshaft to rock alongsideithe fratchetwheel', and the` b'ell crank, collar and handleare replaced.V frAlso,--the,stud ordinarily Trierer/@15.55 l reinen mquntednponf `sind( 66, vthe nut 7211s applied, Yand theA springs`63 and `64 are 'serving-asap"anchoragefor .springs Y63 and 6411sY Y f removed and Athe `stud566 Vis screwed into its place,

anchored to t the jfprojestingtlireadedl 4shank) of thestudl lir'iadly,` theslottedend 4of thelirilli'?y is mounted uponthe' projecting shank of thepivot 84 connecting-fthe v adjacent crank arr`n 16and rod 17 of the :impression-cyl'inder depressing pression cylinder. elevated," the carnGS is" posit taneously withltherocking `of 'thecamf thef bell" crank. e4. "bearingutheifeed pawl is rocked j in' areversedirection so lthat-the pawlis freed..

fromthehigh portion 'ofthe 'cam' and' eiiga'ges rotate thek fountain V roll i"5 for linkV feeding` 'The 'rocking of' the bell `crank- 44. is effected i byfthe rotating shaft46 acting through the cam` -49 :and

The rotating shaftfi through its cam-and its operative 'connection-with the ductor rollj'l; l also roeksfthe latterfagainst. thefountainr'ollv to receive ink. 'When Vthejh'igh points of cams 49 and 6D are past the rollers upon the arms 5 0w and V59 the Springs andfi cause the retraction` of the ink feedQ'paWl ,and the swinging of the ductor -roll intoY Contact v'v'ithY one of the {inkdistributing rolls` 6.' Also, Whenthe'high portion; .of the impression cylinderoperatng.`cam..28 has moved ..past the roller 31 or the rocking armzso the shaftYV 14 is rocked back to breakitheltoggles 15 and permit the springs 13 to elevatefthe ini-r pressionV cylinder. kThisrocking.of Vshaft 14.0perates the link 67 and lever f65`to rock'thecarn 68 and positionitsnhigh portion again`beneath=the ink feed pawl.; v 'I l1u s'upon each printing opera tion-of the press the'plm 648 is-operatedfdirectlyi `from vthe impression cylinder shifting' mechanisrn Y to vfree the'carn frein the paWl and permitfee" operation!thereof.I r

For varying tliefeecilI stroke' o'f-the ink-"feed pavvl the presshas an adjusting nieans includingI a disk 86 rotatably mounted upontliefountain lroll vshaft back of thefratchet-Wheel 42.-andhav'-l ing an arcuate shield? lWhichis sl'iifij/able bet-fneath the' feed pavvl by rotationof `the Vdisk'to velevate the pavvli fromthe ratchet Wl1e e1. jfForf rotating `the pawlthere is a `shaft-88extending .alongside the `ink fountain roll andbearing"a k pinion v89 Whichmeshes With Vteeth formed upon lthe disk 86f ,Shaft''V is turned fandja'djusted Vby means, notshow'n, atgitsopposite end. :The

,f the feed stroke adjusting 'rneansg When the l-ipedal 385515 depressedk and lathed. during the operation of thepres's the lconnection cam 684 does not interfere-with'the' operationof 34 betvveenmhe operating rod-B Zandthe 'rock shaft 14 isfbroken so'thatthelshaftis ,rer-id 'erediv idle and the impression cylinderremainsgheld, ortripped in elevated position by the springs` '13, for non-printing.' VVThe springs .13,break the toggles "15 and'hold the idle shaftwlilwith the crank armv 16 to which the ink feedcontrol .linkj 6'7 is connected, inan uprightp'osition Said link.' said rock.-v shaft a" link pivotally connected' at: t

v on fe r id tosaid crank arm; an'operative connec-f- 67 and lever- 65v o f our' 'control device are then rendered stationary to `hold vthefcarri 68l in. such operator who mightnegiectto "cutoffune'mkfee1-jl 1 185 Y heretofore been-provided with an ink feed. cut;v f

`as snp' lied;originally,` 'With a similaronenarroivYI `ts crankand link connections with? the bell crank; .Y

- at its opposite endllfor operative l-connectie''n to the impression cylinder .depressingA vmechanism of v J ing upon ..the fountainroll shaft o f thepress,

.` toan inoperative `position.- j Y 3 4II1..,. Drinlf/rlg press type "be d and animpressionrcylinder shiftable towardjandjfromfthe type'bed forprinting', a

prmtingimpressions; an ink-feeding mechanism` preventsfan' objectionable accumulation 'o f ink upon thejtypeiforms during' noni-printing operation-of thepressj The automaticoperationef the-controljdevicerenders Vit independent ofthe". I

Presses of thetypels'hown'and describ'edhave Off which' is operated ,in conjunction Withza paper feed' mechanism.; When the press isadjusted to t out out the fp aper 'feed niechanisni, however, `for Y c hand'feefding-of the press, saidink-feed cutfjofff becomesv inoperative; Consequently upon: an'irr-f terruptionin the press e feed, -ink l accumulates' lupor'rjtiie type {in rx'ns; y,Oursimple control device',

operates-independently of the paperfeed. It is designed for proper -eooperation with, the ist'and-l i ard press inechanisrngand for..readyiinstallation uponthe"pressWithout-structural alterations in j 1 the latter jex'cept. they replacementz'of Bolivar-33 tionlletween said rock shaftfand the impression vcylinder for shifting the `lattergatovvard the type bedrV for printing "impressions ;V means operable to inga lever pivoted at a `medial point, ahlink operfl connected'togthe oppositefendof the lever- -and" `engagea'ble with the Apawl to shiftlitfreeY of tl'e f ratchetv .wheeL-the Acam being" he1d byv theirock. 120

i' shaftthrough said link and fleverto hold the f pawldsengaged from' "the vratchetv Wheel when .l therock shaft is idle and the impression cylinder 5 is away fronifthe type bed and vbeingfror'pkableby)` the Toerisme through saidglmk anaieverrto 1251- perniit en'gagernentf' of thepaWl-vvith the ratchet V 'vor inkfeedingl when fthe shaft isrocked.. il l 2. A device gfor controllingthe ink 'feedof a Y,

printing lpre'ss cofnprising. a-lever` designedfor l f pivotall connection Yat a point intermediate. its,` L

ends' to' the y press ;v Vallink operatively connected `at one endtooiie end of saidlever `arldOlme'd the press, and' a `can1jformed forfpivotal mountoperatively connected to the opposite end of the povvergroperated rock n shaft; La crankr arm fixed to tion betvveenthe opposite end of "saidflinkand ;v

shifting* the;. cylinder toward the type bedjfor.

`leverzto be rocked thereby; andfornied toengage` y v I .the feed paWlf'of the fountain-roll. andshift Yit having a`f.reciprocablevv (their'npressionv cylinder including'toggle links for,V 'I

Y including afountain rollQ-a ratchet vw'heelfiixed.

.to'saidrolL and a power operated feed pawl for rotating the ratchet wheel and roll; a tripping; meansto prevent Yoperation ofthe rock-sl'iaft;`v

anda controlling mechanism for the ink-feeding mechanism comprising a lever, a Ylink operatively connecting-thesaid crank and link pivotal connectionrto'said lever, anda cam operatively con- .I 35 v "45kg k,

' nected tothelever to hold. fthe ink feed pawl out of engagement with the ratchetvvheel whenfithe rock shaft is idle andthe impre'ssioncylinder is awayfromrthe typelbed andperinit Vfeeding ensagement o fjthe pawl with the Whenthe shaft Vis operated--V ratchet Wheel 4. YIn a printinggpress having 1 a".r'eciprooalole,l type ybed and an `,impression"cylinder shiftalole .toward and .from the 'type bed for printing; 'aVY `,power operated rock shaft; a crank'arm4 fixed to p said. rock shaft; alinkrpivotally -connectedA at onek endto said crank-arm; an operative. connectiony kbetween the opposite end of said link and ,the V'impression cylinder including toggle links for shifting lthe cylindertov/'andthe type bed forl printing impressions; anVink-feeding mechanism 25 including a fountain roll; ay ratchet wheel lfixed vtosaidiroll,` and-'a shiftalole power` operated 'feed ,Y .A i pawl forrotating the ratchetV wheel'andL-roll; af, i tripping Vmeans tol prevent operation of the rock p' @f l vto'engage rthe feed pawl ofthe fountain roll Yand 11,92641425 f' e f shaftand a controllingmechanism for the inkf` Y feedingv mechanism 'Comprisinga cani :engageable withthe pawl andan operative "connection bev tween said crank andlink'pivotal connectionand sacljcam'for operatingther cam toholcl the ink feed pawl out rof engagement with the-ratchet wheelwhentherock shaft is idle a'nrilithe im-r pression cylinder is 'awayfrom the type bed and permit :feeding engagementef the pavvlV with theV ratchetpwheel when* the shaft is operated.v

5,' A device forcontrollingthe inkvfeed of a printing jpressv comprising ya' lever 7 designed for lpivotal .connection kat a -point intermediate its endsV to the prSSpa link formedat one end for operative connection -tofthe impression cylinderv depressing -mechanism of j the press; a yp'inandk-f-l slot operative connection between' the opposite endV of saidlink andoneend ofpsaidlever;` a cam; formed forlpivotal Amounting upon the fountain roll vshaftiofgthe press; A*and a pinand-slot operativeconnection between the opposite end ,0f the 'lever and'said cam to rock the latter astheleverl Y is rocked ,through said'link, the cam being formed shift it vto inoperativeposition'. Y, l y

- -fCAaL7Ll ERICKSON. .A i,

WALTER 0. MORRIsoN; A

iso 

